Panasonic Card KX-TDA0181The **Panasonic KX TDA0181** is a **digital extension card** designed for use with the **Panasonic KX TDA** and **KX NCP** series PBX systems. This card provides additional digital extension ports, enabling the connection of digital phones or devices to the system. Key features include: **Supports 4 Digital Extensions**: It provides 4 ports for connecting Panasonic's digital phones to the PBX system. **Compatibility**: Specifically designed to work